package org.apache.maven.resolver.internal.ant.tasks;
   
   /*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you under the Apache License, Version 2.0 (the
    * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   * 
   *  http://www.apache.org/licenses/LICENSE-2.0
   * 
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  
  import org.apache.maven.resolver.internal.ant.AntRepoSys;
  import org.apache.maven.resolver.internal.ant.types.Dependencies;
  import org.apache.maven.resolver.internal.ant.types.LocalRepository;
  import org.apache.maven.resolver.internal.ant.types.RemoteRepositories;
  import org.apache.maven.resolver.internal.ant.types.RemoteRepository;
  import org.apache.tools.ant.BuildException;
  import org.apache.tools.ant.Task;
  import org.apache.tools.ant.types.Reference;
  import org.eclipse.aether.collection.CollectResult;
  
  /**
   */
  public abstract class AbstractResolvingTask
      extends Task
  {
  
      protected Dependencies dependencies;
  
      protected RemoteRepositories remoteRepositories;
  
      protected LocalRepository localRepository;
  
      public void addDependencies( Dependencies dependencies )
      {
          if ( this.dependencies != null )
          {
              throw new BuildException( "You must not specify multiple <dependencies> elements" );
          }
          this.dependencies = dependencies;
      }
  
      public void setDependenciesRef( Reference ref )
      {
          if ( dependencies == null )
          {
              dependencies = new Dependencies();
              dependencies.setProject( getProject() );
          }
          dependencies.setRefid( ref );
      }
  
      public LocalRepository createLocalRepo()
      {
          if ( localRepository != null )
          {
              throw new BuildException( "You must not specify multiple <localRepo> elements" );
          }
          localRepository = new LocalRepository( this );
          return localRepository;
      }
  
      private RemoteRepositories getRemoteRepos()
      {
          if ( remoteRepositories == null )
          {
              remoteRepositories = new RemoteRepositories();
              remoteRepositories.setProject( getProject() );
          }
          return remoteRepositories;
      }
  
      public void addRemoteRepo( RemoteRepository repository )
      {
          getRemoteRepos().addRemoterepo( repository );
      }
  
      public void addRemoteRepos( RemoteRepositories repositories )
      {
          getRemoteRepos().addRemoterepos( repositories );
      }
  
      public void setRemoteReposRef( Reference ref )
      {
          RemoteRepositories repos = new RemoteRepositories();
          repos.setProject( getProject() );
          repos.setRefid( ref );
          getRemoteRepos().addRemoterepos( repos );
      }
 
     protected CollectResult collectDependencies()
     {
         return AntRepoSys.getInstance( getProject() ).collectDependencies( this, dependencies, localRepository,
                                                                            remoteRepositories );
     }
 
 }